Session control in sip-based media services

Details Session control in sip-based media services Session control in sip-based media services

H - Electricity

04

L

H04L 29/06 (2006.01)

Patent

CA 2681091

A method of keeping a SIP application server advised of the status of a SIP client, where the SIP application server lies within both the signalling plane and the media plane for SIP clients and is responsible for accepting SIP clients into and removing them from a SIP session, the method comprising sending keep-alive messages from the SIP client to the SIP application server across the media plane.

L'invention concerne un procédé de conservation d'un serveur d'application SIP informé de l'état d'un client SIP, le serveur d'application SIP se trouvant à la fois dans le plan de signalisation et le plan multimédia pour les clients SIP et étant responsable de l'acceptation des clients SIP dans une session SIP et de leur retrait d'une session SIP, le procédé comprenant l'envoi de messages d'entretien du client SIP au serveur d'application SIP à travers le plan multimédia.

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